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Strength of Materials - Engineering

Q1:

Strain energy is the

A energy stored in a body when strained within elastic limits

B energy stored in a body when strained upto the breaking of a specimen

C maximum strain energy which can be stored in a body

D proof resilience per unit volume of a material

ANS:A - energy stored in a body when strained within elastic limits

Strain energy is the ability of a material to regain its shape, as per the stress-starin diagram only up to elastic limit material is elastic.